Upgrade to Jupyterlab 4

.github/workflows/build.yml

@@ -9,48 +9,82 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
+
     steps:
     - name: Checkout
-      uses: actions/checkout@v2
-    - name: Install node
-      uses: actions/setup-node@v1
+      uses: actions/checkout@v3
+
+    - name: Base Setup
+      uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
+
+    - name: Install dependencies
+      run: python -m pip install -U "jupyterlab>=4.0.0b0,<5"
+
+    - name: Lint the extension
+      run: |
+        set -eux
+        jlpm
+        jlpm run lint:check
+
+    - name: Build the extension
+      run: |
+        set -eux
+        python -m pip install .[test]
+
+        jupyter labextension list
+        jupyter labextension list 2>&1 | grep -ie "jupyterlab-skip-traceback.*OK"
+        python -m jupyterlab.browser_check
+
+    - name: Package the extension
+      run: |
+        set -eux
+
+        pip install build
+        python -m build
+        pip uninstall -y "jupyterlab-skip-traceback" jupyterlab
+
+    - name: Upload extension packages
+      uses: actions/upload-artifact@v3
       with:
-       node-version: '14.x'
+        name: extension-artifacts
+        path: dist/jupyterlab-skip-traceback*
+        if-no-files-found: error
+
+  test_isolated:
+    needs: build
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
     - name: Install Python
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
-        python-version: '3.7'
+        python-version: '3.9'
         architecture: 'x64'
-
-
-    - name: Setup pip cache
-      uses: actions/cache@v2
-      with:
-        path: ~/.cache/pip
-        key: pip-3.7-${{ hashFiles('package.json') }}
-        restore-keys: |
-          pip-3.7-
-          pip-
-
-    - name: Get yarn cache directory path
-      id: yarn-cache-dir-path
-      run: echo "::set-output name=dir::$(yarn cache dir)"
-    - name: Setup yarn cache
-      uses: actions/cache@v2
-      id: yarn-cache # use this to check for `cache-hit` (`steps.yarn-cache.outputs.cache-hit != 'true'`)
+    - uses: actions/download-artifact@v3
       with:
-        path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
-        key: yarn-${{ hashFiles('**/yarn.lock') }}
-        restore-keys: |
-          yarn-
-    
-    - name: Install dependencies
-      run: python -m pip install -U jupyterlab~=3.0 jupyter_packaging~=0.7.9
-    - name: Build the extension
+        name: extension-artifacts
+    - name: Install and Test
       run: |
-        jlpm
-        jlpm run eslint:check
-        python -m pip install .
+        set -eux
+        # Remove NodeJS, twice to take care of system and locally installed node versions.
+        sudo rm -rf $(which node)
+        sudo rm -rf $(which node)
+
+        pip install "jupyterlab>=4.0.0b0,<5" jupyterlab-skip-traceback*.whl
 
+
+        jupyter labextension list
         jupyter labextension list 2>&1 | grep -ie "jupyterlab-skip-traceback.*OK"
-        python -m jupyterlab.browser_check
+        python -m jupyterlab.browser_check --no-browser-test
+
+
+  check_links:
+    name: Check Links
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+    steps:
+      - uses: actions/checkout@v3
+      - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
+      - uses: jupyterlab/maintainer-tools/.github/actions/check-links@v1

.gitignore

@@ -1,10 +1,15 @@
 *.bundle.*
 lib/
 node_modules/
+*.log
+.eslintcache
+.stylelintcache
 *.egg-info/
 .ipynb_checkpoints
 *.tsbuildinfo
 jupyterlab-skip-traceback/labextension
+# Version file is handled by hatchling
+jupyterlab-skip-traceback/_version.py
 
 # Created by https://www.gitignore.io/api/python
 # Edit at https://www.gitignore.io/?templates=python
@@ -56,6 +61,7 @@ htmlcov/
 .coverage.*
 .cache
 nosetests.xml
+coverage/
 coverage.xml
 *.cover
 .hypothesis/
@@ -111,5 +117,5 @@ dmypy.json
 # OSX files
 .DS_Store
 
-# Jupyter Upgrades
-_temp_extension
+# Yarn cache
+.yarn/

.prettierignore

@@ -2,4 +2,5 @@ node_modules
 **/node_modules
 **/lib
 **/package.json
+!/package.json
 jupyterlab-skip-traceback

.yarnrc.yml

@@ -0,0 +1,3 @@
+enableImmutableInstalls: false
+
+nodeLinker: node-modules

jupyterlab-skip-traceback/_version.py

@@ -1,20 +1,4 @@
-import json
-from pathlib import Path
-
-__all__ = ["__version__"]
-
-
-def _fetchVersion():
-    HERE = Path(__file__).parent.resolve()
-
-    for settings in HERE.rglob("package.json"):
-        try:
-            with settings.open() as f:
-                return json.load(f)["version"]
-        except FileNotFoundError:
-            pass
-
-    raise FileNotFoundError(f"Could not find package.json under dir {HERE!s}")
-
-
-__version__ = _fetchVersion()
+# This file is auto-generated by Hatchling. As such, do not:
+#   - modify
+#   - track in version control e.g. be sure to add to .gitignore
+__version__ = VERSION = '4.0.4'